Alumina grinding, crushing and pulverizing equipment

Release time:

2025-04-26 09:00

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Aluminum oxide is widely used in ceramics, electronics, medicine, flame retardant materials, and other fields. Its production process is mainly based on the alkaline method, including the Bayer process, the sintering method, and the combined method. Regardless of the process, the preparation of ultrafine powder is the core of improving the performance of aluminum oxide. From the smoke suppression effect of flame retardants to the optimization of the hardness of ceramic materials, ultrafine aluminum oxide powder with uniform particle size and excellent dispersibility has become the key to industrial upgrading.

With its innovative wet grinding and intelligent control modes, the vertical grinding mill has become an ideal choice for ultrafine processing of aluminum oxide:

Highly efficient continuous production: Using a fully enclosed circulating system with bottom feeding and top discharging, the material is ground cavity inside with high-speed collision with wear-resistant media such as zirconia, achieving continuous grinding. Compared with intermittent ball mills, the production capacity is increased 3-5 times, especially suitable for ultrafine processing of high-viscosity sodium aluminate solutions and aluminum hydroxide slurries.

Precise particle size control: By adjusting the disperser speed, media filling rate, and feed rate, the aluminum oxide particle size can be stably controlled within the required range.

Low pollution and intelligence: Fully enclosed grinding cylinder cavity ，avoiding solvent volatilization pollution, while supporting PLC automatic control, real-time monitoring of pressure, temperature and particle size data, ensuring batch stability.

In response to the demand for ultrafine flame retardants in the electronics and cable industries, the vertical grinding mill can refine the particle size of aluminum hydroxide to D50 < 1μm, while retaining its layered structure, enhancing compatibility with resin ； In the preparation of aluminum oxide microcrystalline ceramics, the vertical grinding process can break the hard agglomeration in solid-phase synthesis, making the secondary particle peak completely disappear, forming a single submicron particle ； Combined with the alkaline production process, the vertical grinding mill can perform fine processing of sodium aluminate solution, and reduce impurity pollution by controlling grinding intensity.

With the surge in demand for high-purity ultrafine aluminum oxide in the fields of new energy and semiconductors, the vertical grinding mill, with its "high efficiency, precision, and green" characteristics, will drive the development of aluminum oxide processing towards "nano-level, customized, and low-carbon".

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